package main

func main() {
	str := "qwertyugfdsasdfg"
	for i := 0; i < len(str); i++ {
		println("循环结果", i, str[i])
	}

	println("------------------循环结果------------------")

	for k, v := range str {
		println("循环结果", k, v)
	}
}
